U.S. Sen. Cory Booker, D-N.J., has stops for Clinton planned in Waukesha, Racine and two in Milwaukee.

Meanwhile, Bill Clinton will campaign in Appleton tomorrow.

Several candidates, though, plan to be back Friday and Saturday.

The Republican Party of Milwaukee on Friday is hosting the "Wisconsin Decides 2016" with Cruz and Ohio Gov. John Kasich. The fish fry event will be at Serb Hall in Milwaukee.

The state GOP announced this morning Sarah Palin will appear at the Milwaukee event to speak on behalf of Donald Trump's campaign.

On Saturday, Bernie Sanders and Hillary Clinton will be at the Wisconsin Center in Milwaukee to speak at the Dem Party's annual Founder's Day Dinner. Others scheduled to speak at the event are: U.S. Sens. Al Franken, D-Minn., and Tammy Baldwin, D-Madison; U.S. Rep. Gwen Moore, D-Milwaukee; and former U.S. Sen. Russ Feingold, D-Middleton.

Sanders also will be in Sheboygan and Green Bay on Friday, and he has a rally at the Kohl Center on the UW-Madison campus Sunday.